Led Test Pattern Print (Function Code 68) - Brother DCP-9010CN Service Manual

1.4.19 LED test pattern print (Function code 68)

<Function>
This function allows you to print the LED ASSY test pattern and check the quality of the LED
ASSY and if it is lifted from the drum.
Note:
You can check scratches and smears on the LED by performing the continuous print test.
(Refer to "1.4.18 Continuous print test (Function code 67)"
<Operating procedure>
(1) Press the 6 and 8 buttons in this order in the initial state of the maintenance mode.
(2) When "M68_L" is displayed on the LCD, press the
appropriate test pattern, and press the OK button.
The available test pattern is shown below.
LCD
M68_L
"PRINTING" is displayed on the LCD, and the LED test pattern (refer to
printed on a sheet.
Note:
When printing fails, a relevant error is displayed on the LCD. When the error factors
are removed and the Start/Black button is pressed, the machine automatically
recovers to the re-executable state. "PRINTING" is displayed on the LCD, and the test
pattern is printed on a sheet.
(3) When the Stop/Exit button is pressed, the machine beeps for one second and returns to
the initial state of the maintenance mode.
When an error message is displayed on the LCD, take the measures described in the table below.
Error message
TONER EMPTY # *
Cover is Open
No Paper
Jam Tray1
Jam Rear
* # indicates the toner color (K, Y, M, or C) of which cartridge became empty.
Vertical/horizontal dot loss check pattern
Replace the empty toner cartridge and press the Start/Black
button to clear the error. Perform the LED test pattern print
again.
Close the top cover.
Replenish paper, and press the Start/Black button to clear
the error.
Remove the jammed paper, and press the Start/Black
button to clear the error.
Remove the jammed paper, and press the Start/Black
button to clear the error.
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